Lexmark X6150 4408-AK2, Руководство по обслуживанию

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Diagnostic information
2-7
4408-XXX
4 Encoder Strip
Carrier Assembly
Check the encoder strip for proper installation.
Also, check it for wear, dirt, and grease.
Be sure all printhead connectors are fully seated.
Check the cables for damage.
If the encoder strip and all connections are okay,
but the carrier still slams the side frame, replace
the print engine. Go to the
“Print engine
removal” on page 4-12 .
5 Carrier Transport
Belt
Idler Pulley Parts
Carrier Frame Check for worn, loose or broken parts. Check for
obstructions blocking carrier movement.
Check the carrier belt idler pulley mounting screw.
Loosen the screw and allow the tension spring to
take up any slack in the belt. Tighten the screw. If
the pulley mounting bracket has reached the stop,
replace the carrier assembly. Go to the
“Loosen
carrier belt tensioner screw (A).” on page 4-6 .
Lubricate carrier to carrier frame engagement with
grease P/N 99A0394.
6 Printhead Carrier
Assembly Disconnect the printer and check the carrier
printhead connectors JP1 and JP2. If the
connections are good, remove the printhead
carrier and check the cable connection to the
home sensor board. If the problem remains,
replace the system board. Go to the
“System
board removal” on page 4-15 .
7 Maintenance
Station A problem with the maintenance station can cause
carrier movement problems at the right margin. Go
to the
“Maintenance station removal” on
page 4-9 .
FRU Action